Application of Cross-Flow Microfiltration for the Treatment of Combined Sewer Overflow Wastewater

Bendick, John; Modise, C. M.; Miller, Charles; Neufeld, Ronald D.; Vidic, Radisav D.

doi:10.1061/(asce)0733-9372(2004)130:12(1442)

Cited by 8 publications

(5 citation statements)

References 9 publications

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“…In literature, the effect of membrane pore size on the permeate flux in cross-flow filtration for wastewater treatment applications has previously been shown (Al-Malack and Anderson, 1997;Bendick et al, 2004). In a cross-flow filtration study with anaerobic bacteria, Elmaleh and Abdelmoumni (1997) have shown that increasing pore size led to lower permeate fluxes, which is in line with our findings.…”

Section: Effect Of Pore Size In Filtering Anodessupporting

confidence: 90%

“…The differences in permeate fluxes with different pore sizes might be attributed to the infiltration of bacteria inside the pores of membrane with filter grade 0.5 µm; whereas filter grade 0.1 µm is too small for the size of bacteria to colonize. Bendick et al (2004) reported the 0.2 µm membrane performing with a greater permeate flux rate than the 0.8 µm membrane as a result of a severe internal fouling of FIGURE 2 | Illustration of filter cassette for various experimental configurations; filtering anode consists of stainless steel filter plate and cathode located on the permeate side (A) and on the retentate side (B); hybrid anode, in which a PVDF membrane combined with stainless steel mesh and cathode located on the permeate side (C) and on the retentate side (D).…”

Section: Effect Of Pore Size In Filtering Anodesmentioning

confidence: 99%

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Toward an Energy Efficient Wastewater Treatment: Combining a Microbial Fuel Cell/Electrolysis Cell Anode With an Anaerobic Membrane Bioreactor

et al. 2018

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Section: Effect Of Pore Size In Filtering Anodessupporting

confidence: 90%

Section: Effect Of Pore Size In Filtering Anodesmentioning

confidence: 99%

Toward an Energy Efficient Wastewater Treatment: Combining a Microbial Fuel Cell/Electrolysis Cell Anode With an Anaerobic Membrane Bioreactor

et al. 2018

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“…This study is an extension of previous research on the application of microfiltration in treating combined sewer overflows (CSOs) (Bendick et al, 2004;Modise et al, 2005), which demonstrated that a 0.2-lm membrane would be the most appropriate membrane for the treatment of CSO wastewater. This study focuses on the fouling pattern of microfiltration of primary and secondary effluents from municipal wastewater treatment plants on polymeric microfiltration membranes.…”

Section: Introductionmentioning

confidence: 85%

Irreversible Fouling During Multicycle Microfiltration of Wastewater Effluent

Shan¹,

Neufeld²

2007

Water Environment Research

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This study focused on irreversible fouling during microfiltration of primary and secondary effluents from municipal wastewater treatment plants. Flow resistances were calculated from the sum of clean membrane resistances, resultant cake layer resistances, and consequent irreversible fouling resistances. Results from a dead‐end cell experimental system showed that the accumulated cake resistance was dominating for microfiltration of primary/secondary effluents. Suspended solids in the primary and secondary effluents had a similar compressibility index, n, with a value of approximately 0.5, indicating that they were moderately compressible particles. The value of irreversible resistance is dependent on the intensity of membrane cleaning; however, for a given membrane cleaning strategy, this value steadily increased and reached a maximum after approximately 6 cycles of filtration and cleaning. This study provided an explanation for the significant drop of throughput flux in the early application of membrane processes, and a plateau flux approached correspondingly.

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“…Cross-flow speed was 3.5 m·s -1 . The usual range for cross-flow speeds for MF is 2 to 6 m·s -1 (Gan, 1999;Bendick et al, 2004). Generally, at high flow rates (close to 6 m·s -1 ) fouling is reduced because the same flow helps to sweep out particles settled on the membrane.…”

Section: Experimental Set-up and Proceduresmentioning

confidence: 99%

Comparative study of the performance of three cross-flow ceramic membranes for water treatment

Cremades¹,

Rodriguez-Grau²,

Mulero³

et al. 2009

WSA

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Several tests using water as effluent are used to analyse the performance of three types of microfiltration cross-flow ceramic membranes. Two of these membranes are commercial (Atech and Membralox/US Filter) and the third one is experimental. The main differences between them lie in their chemical composition (different origin of raw materials) and in their manufacturing process.The results presented here show the dominant effect of the filtering and the gel layer. Both are formed during operation acting as equalising agent between the three membranes. The membranes tested have similar performances in cross-flow operation, although permeability rates for the membrane Membralox/US Filter were about 15% higher. This increase might be due to the smoother surface formed by a second filtering ultrafiltration layer (0.01 µm) of 10 µm width, which probably contributes to a decrease in the thickness of the gel layer formed during operation.Using specific raw materials (non-industrial) as well as a second ultrafiltration layer improves the results in operation (performances and cleaning intervals). However, they are uneconomical because of the extra costs involved.In conclusion, low-cost membranes can achieve similar results to the commercial and more expensive ones opening up their application to new uses and emergent markets.

show abstract

Application of Cross-Flow Microfiltration for the Treatment of Combined Sewer Overflow Wastewater

Cited by 8 publications

References 9 publications

Toward an Energy Efficient Wastewater Treatment: Combining a Microbial Fuel Cell/Electrolysis Cell Anode With an Anaerobic Membrane Bioreactor

Toward an Energy Efficient Wastewater Treatment: Combining a Microbial Fuel Cell/Electrolysis Cell Anode With an Anaerobic Membrane Bioreactor

Irreversible Fouling During Multicycle Microfiltration of Wastewater Effluent

Comparative study of the performance of three cross-flow ceramic membranes for water treatment

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